/*
 *  Copyright 2004 Blandware (http://www.blandware.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.blandware.atleap.webapp.action.core.contentLocale;

import com.blandware.atleap.common.util.StringUtil;
import com.blandware.atleap.model.core.ContentLocale;
import com.blandware.atleap.service.exception.BeanAlreadyExistsException;
import com.blandware.atleap.webapp.action.core.BaseAction;
import com.blandware.atleap.webapp.form.core.ContentLocaleForm;
import com.blandware.atleap.webapp.util.core.ApplicationResources;
import com.blandware.atleap.webapp.util.core.LocaleUtil;
import com.blandware.atleap.webapp.util.core.WebappUtil;
import org.apache.commons.validator.GenericValidator;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;

/**
 * <p>Creates new content locale
 * </p>
 * <p><a href="CreateContentLocaleAction.java.html"><i>View Source</i></a></p>
 * <p/>
 *
 * @author Sergey Zubtsovskiy <a href="mailto:sergey.zubtsovskiy@blandware.com">&lt;sergey.zubtsovskiy@blandware.com&gt;</a>
 * @version $Revision: 1.24 $ $Date: 2008/04/29 17:48:05 $
 * @struts.action path="/core/contentLocale/create"
 * name="contentLocaleForm"
 * scope="request"
 * input="inputForward"
 * validate="true"
 * roles="core-contentLocale-create"
 * @struts.action-forward name="inputForward"
 * path=".core.contentLocale.create"
 * @struts.action-forward name="listContentLocales"
 * path="/core/contentLocale/list.do"
 * redirect="true"
 * @struts.action-forward name="unsatisfiable"
 * path="/core/contentLocale/callCreate.do"
 */
public final class CreateContentLocaleAction extends BaseAction {
	/**
	 * @param mapping  The ActionMapping used to select this instance
	 * @param form     The optional ActionForm bean for this request (if any)
	 * @param request  The HTTP request we are proceeding
	 * @param response The HTTP response we are creating
	 * @return an ActionForward instance describing where and how
	 *         control should be forwarded, or null if response
	 *         has already been completed
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
	                             HttpServletRequest request, HttpServletResponse response) throws Exception {

		if ( !isCancelled(request) ) {
			ContentLocaleForm contentLocaleForm = (ContentLocaleForm) form;
			String localeIdentifier = contentLocaleForm.getIdentifier();
			LocaleUtil localeUtil = LocaleUtil.getInstance(servlet.getServletContext());

			// check locales existence before setting title
			List availableLocales = localeUtil.getAvailableLocales();
			for ( Iterator i = availableLocales.iterator(); i.hasNext(); ) {
				ContentLocale locale = (ContentLocale) i.next();
				if ( locale.getIdentifier().equalsIgnoreCase(localeIdentifier) ) {
					// locale with the same identifier already exists. return input page
					ActionMessages errors = new ActionMessages();
					errors.add("contentLocaleAlreadyExists", new ActionMessage("core.contentLocale.errors.alreadyExists"));
					saveErrors(request, errors);
					saveToken(request);
					return mapping.getInputForward();
				}
			}

			ContentLocale contentLocale = new ContentLocale();
			WebappUtil.copyProperties(contentLocale, contentLocaleForm, request);

			Map titleMap = contentLocaleForm.getTitleMap();

			// put this locale identifier to get title of locale for this locale itself
			titleMap.put(localeIdentifier, titleMap.remove("current"));

			// create default titles
			for ( Iterator i = titleMap.entrySet().iterator(); i.hasNext(); ) {
				Map.Entry entry = (Map.Entry) i.next();
				String identifier = (String) entry.getKey();
				String title = (String) entry.getValue();
				if ( GenericValidator.isBlankOrNull(title) ) {
					titleMap.put(identifier, StringUtil.capitalize(new Locale(localeIdentifier).getDisplayLanguage(new Locale(identifier))));
				}
			}

			contentLocale.setTitle(contentLocaleForm.getTitleMap());
			contentLocale.setActive(Boolean.FALSE);
			contentLocale.setDefaultInstance(Boolean.FALSE);
            contentLocale.setEnabled(Boolean.TRUE);
            try {

				localeUtil.createContentLocale(contentLocale);

				// update all another locales (available locales do not contain new locale, because list was acquired earlier
				for ( Iterator i = availableLocales.iterator(); i.hasNext(); ) {
					ContentLocale locale = (ContentLocale) i.next();
					ContentLocale oldLocale = localeUtil.retrieveContentLocale(locale.getIdentifier());
					oldLocale.getTitle().put(localeIdentifier, StringUtil.capitalize(new Locale(locale.getIdentifier()).getDisplayLanguage(new Locale(localeIdentifier))));
					localeUtil.updateContentLocale(oldLocale);
				}

				ApplicationResources.getInstance(servlet.getServletContext()).loadBundle(contentLocale);

			} catch ( BeanAlreadyExistsException e ) {
				// content locale already exists
				ActionMessages errors = new ActionMessages();
				errors.add("contentLocaleAlreadyExists", new ActionMessage("core.contentLocale.errors.alreadyExists"));
				saveErrors(request, errors);
				saveToken(request);
				return mapping.getInputForward();
			}

		}

		return mapping.findForward("listContentLocales");
	}
}